"Beige Stone", Seamless Web Texture #1031
Stone CC BY-SA 3.0It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
More Textures
Decorative divider 254 #2040
Dark CC 0Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857
Source Firkin
Batthern@2X #325
Grid CC BY-SA 3.0Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Lined Paper@2X #1035
Light CC BY-SA 3.0I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Stitched Wool #843
Light CC BY-SA 3.0I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
Fabric pattern (colour 2) #2401
Fabric CC 0Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Subtle Carbon@2X #950
Dark CC BY-SA 3.0There are many carbon patterns, but this one is tiny.
Source Designova
Brick Wall #1146
Wall CC BY-SA 3.0One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Background pattern 221 #2347
Dark CC 0A seamless pattern formed from a tile made from ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Mossy planks #2565
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Mooning@2X #1141
Gray CC BY-SA 3.0The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Brushed Alum #67
Light CC BY-SA 3.0A light brushed aluminum pattern for your pleasure.
Source Tim Ward
shell pattern #2533
Brown CC 0The image depicts a shell seamless pattern.I used an OCAL clipart called "Shell" uploaded by "jgm104".Thanks.
Source Yamachem
Stucco #294
Wall CC BY-SA 3.0A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
Stressed Linen #986
Dark CC BY-SA 3.0We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
Wellington boots pattern #1900
Colorful CC 0CC0 and seamless wellington boot pattern.
Source SliverKnight
Concrete Wall #77
Wall CC BY-SA 3.0Dark blue concrete wall with some small dust spots.
Source Atle Mo
Page ornament #1990
Dark CC 0Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Square ornament 32 #2433
Dark CC 0Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Green & Grass #1368
Green CC 0Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Tile-able Black Paper Background #1076
Paper CC BY-SA 3.0A black tile-able background with paper-like texture.
Source V. Hartikainen